How I blocked Stack Overflow website for a few hours in the entire company? Post about unskillful writing a web crawler. Stack Overflow is a platform, which will from every average programmer make an expert. Nowadays it’s hard to imagine working as a programmer without this tool. Once I accidentally Read more…
Today I would like to list blogs and websites that I like reading from time to time, to expand my knowledge. Below set of links is also my recommendation for everyone who is inquisitive of new technologies or software development approaches. The list includes also blogs written in polish. Baeldung Read more…
Nowadays software development process aims for automatization in each possible area from daily deployment to automated task creation in JIRA. To be able to apply such methods during development we have to start from writing as many good tests as possible. Additionally, we should write possibly fast tests. First of Read more…
Overview Creating Spring Boot application seems to be easy but have you ever thought more thoroughly about performance? I mean not only the performance of the application when it works but the performance of startup and test execution as well. Some time ago I wrote a post about creating an application Read more…
Overview Sometimes, during development of application, You are not able to predict what kind of data model will be best for You. It happens that process looks as follows. You start to experiment with different approaches to data model. Team is choosing one of them, first problems occurs on first Read more…
Overview When I first time heard about Neo4j I thought that such databases are used only for recommendation engines. My perception has changed when I saw presentation about GAAND Stack (GraphQL, Apollo, Angular, Neo4j Database). I noticed during this training that there are many more use cases for this database. Read more…
Overview React.js is simple library used for building complex UI interfaces with small blocks called components. React enables creating Single Page Applications (SPA) in easy way. SPA is web application that loads once and every next request on page should reload only affected components without refreshing entire page. React is Read more…
Do You want to be a modern developer and start using state of the art technologies? Here I’m going to introduce You to quite new technology – GraphQL – called “New REST” or “REST 2.0”. Let’s start! What is GraphQL? GraphQL is query language, specification, and collection of tools which Read more…
Hello all, today I would like to present few database interview questions that I used to answer during job interviews. At the beginning of a career as a Junior Software Engineer knowledge about basics such as OOP, Design Patters, knowledge about processors and computer architecture is crucial. Among these requirements Read more…
Today’s post in continuation for Java Interview Questions and Answers. Previous post is available here. Let’s start without useless introduction 😉 1. Difference between Files.lines() and Files.readAllLines() lines() – Read all lines from a file as a Stream. readAllLines() – Read all lines from a file and returns collection 2. Read more…